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    Infectious Disease Control Unit
    Mail Code: 1960
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite T801
    Austin, TX 78714

    Phone: 512 776 7676
    Fax: (512) 776-7616


    E-mail

2011-2012 DSHS Flu Report Week 22

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Current Flu Activity Report in PDF Format

Please note: The 2011-2012 influenza season began on October 2, 2011. For reports from the 2010-2011 season, please see http://www.dshs.state.tx.us/idcu/disease/influenza/surveillance/2011/.

During week 22 in Texas: 

  • Nineteen specimens tested by NREVSS laboratories in Texas were positive for influenza. No specimens were positive for influenza by PCR test or viral culture. All other positive tests were antigen detection tests.
  • The percentage of visits for influenza-like illness as reported by ILINet providers was 3.52%.
  • No influenza-associated pediatric deaths were reported.
  • No outbreaks of influenza or ILI were reported.
  • All Health Service Regions (HSRs) except one reported. HSRs 1, 2/3, 7, 8, 9/10, and 11 reported a decreased level of flu activity compared to week 21. HSR 6/5S reported the same level of flu activity compared to week 21. For a map of Health Service Regions please visit the following website:  http://www.dshs.state.tx.us/regions/state.shtm

Laboratory Results
The NREVSS system collects information on a variety of respiratory viruses including influenza virus, parainfluenza virus, respiratory syncytial virus (RSV), rhinovirus, human metapneumovirus (HMPV), and respiratory adenovirus. The results from week 22 are summarized below.

Other Respiratory Virus Results Reported by Texas NREVSS Laboratories

Virus

Number of Laboratories Testing

Tests Performed

Positive Tests

Percentage of Tests Positive

Influenza

7

253

19

7.51%

Adenovirus (respiratory)

2

75

0

0.00%

HMPV

2

75

0

0.00%

Parainfluenza virus

2

75

4

5.33%

Rhinovirus

1

60

9

15.00%

RSV

13

168

1

0.60%

U.S. Outpatient Influenza-like Illness Surveillance Network

Texas providers voluntarily report data to the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet) on patients with influenza-like illness (ILI) and total patients seen for any reason each week. The data from participating Texas ILINet providers are presented below.

Percentage of Visits for Influenza–Like Illness Reported by
the US Outpatient Influenza–Like Illness Surveillance Network (ILINet) in Texas
6/6/2012 1:27:00 PM

 Week

# Reports

 Age
0-4

 Age
5-24

Age
25-49

Age
50-64

Age
65 +

 Total
ILI

Total
Patients

 %
ILI

2011-40

70

188 

297 

202

58

18

763

27935 

 2.73%

2011-41

69

200

243

181

52

12

688

28089

2.45%

2011-42

71

202

305

196

62

19

784

26341

2.98%

2011-43

70

227

306

225

50

17

825

28150

2.93%

2011-44

70 206 300 187 56 13 762 27888 2.73%

2011-45

71 241 305 234 53 24 857 28619 2.99%

2011-46

67 234 318 250 71 24 897 28711 3.12%

2011-47

69 215 232 197 48 23 715 22669 3.15%

2011-48

66 238 259 207 66 22 792 26510 2.99%

2011-49

65 238 196 134 39 25 632 20322 3.11%

2011-50

65 228 256 198 62 20 764 24240 3.15%

2011-51

62 253 213 207 66 30 769 22055 3.49%
2011-52 64 196 194 209 83 16 698 21310 3.28%
2012-01 69 221 226 212 48 18 725 25908 2.80%
2012-02 69 249 287 197 72 33 838 26364 3.18%
2012-03 68 269 325 235 49 21 899 26524 3.39%
2012-04 70 235 357 209 67 11 879 26710 3.29%
2012-05 68 312 380 240 72 17 1021 24822 4.11%
2012-06 68 288 442 272 63 20 1085 30744 3.53%
2012-07 69 325 477 322 79 18 1221 28782 4.24%
2012-08 68 369 416 207 67 29 1088 21153 5.14%
2012-09 67 282 536 418 104 39 1379 28784 4.79%
2012-10 64 230 387 191 58 32 898 19348 4.64%
2012-11 64 299 428 372 98 30 1227 22558 5.44%
2012-12 64 288 420 287 75 30 1100 26688 4.12%
2012-13 60 210 436 277 68 13 1004 25278 3.97%
2012-14 59 230 399 214 45 14 902 24164 3.73%
2012-15 58 200 370 195 37 11 813 25270 3.22%
2012-16 57 207 349 187 47 20 810 25217 3.21%
2012-17 56 165 321 186 41 17 730 24561 2.97%
2012-18 54 179 334 152 33 21 719 22380 3.21%
2012-19 54 181 302 176 43 17 719 23382 3.08%
2012-20 52 184 305 168 45 22 724 20868 3.47%
2012-21 46 157 323 187 33 18 718 20206 3.55%
2012-22 27 95 231 139 33 13 511 14519 3.52%

ILIDataChart

National Influenza Activity Map

The current U.S. flu weekly report (FluView) may be found at http://www.cdc.gov/flu/weekly/fluactivity.htm.

  

International Influenza Activity Map

The CDC compiles information from several sources and releases an international influenza summary. This report can be found at http://www.cdc.gov/flu/international/activity.htm.  

Texas Flu Map

1Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks' activity.
2The majority of influenza cases are not reportable by law to the Texas Department of State Health Services. This map contains data from sentinel sites and does not represent all influenza cases in the state.
3Positive laboratory results are reported according to specimen collection date or date received in the lab if the former is unknown.


2011 - 2012 Texas Influenza Surveillance Information --- Flu Reports

For the week ending: 10/08/11; 10/15/11; 10/22/11; 10/29/11; 11/05/11; 11/12/11;
11/17/11; 11/24/11; 12/03/11; 12/11/11; 12/18/11; 12/25/11; 12/31/11; 1/7/12;
1/14/12; 1/21/12; 1/28/12;  2/4/12; 2/11/12; 2/18/122/25/12; 3/3/12; 3/10/12; 3/17/12;
3/24/12; 3/31/12; 4/7/12; 4/14/12; 4/21/12; 4/28/12; 5/5/12; 5/12/12; 5/19/12; 5/26/12; 6/2/12;

 

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Last updated June 11, 2012